diabolic shieldback
Neduba diabolica (Scudder 1899)

 
 
map
male
 
 

15 s of calling song [4.37MB]; male from Contra Costac Co., Calif. (Mt. Diablo State Park); 24.0°C (recording by Jeff Cole; used by permission).

Nomenclature: OSF (Orthoptera Species File Online)